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California Integrated Water Quality System Project (CIWQS)
   Party At-A-Glance Report

  
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General Information
Party ID Party Name Party Classification Mailing Address Work Phone Email/Website
528729 Christopher Walhs 928-343-8215 None
  
  
  
  
Expand/Contract Related Places
Related Places
Place ID Place Name County Region Place Type Relationship to Party Relationship Start Date Relationship End Date
Total Related Places: 0
  
  
  
  
Expand/Contract Related Parties
Related Parties
Party ID Party Name Party Type Role/Relationship Relationship Start Date Relationship End Date Classification
36943 USDI Bureau of Reclamation Yuma Organization Legally Responsible Official 08/29/2011 None Federal Agency
Total Related Parties: 1
  
  
  
  
Expand/Contract Regulatory Measures
Regulatory Measures (non-enforcement)
Reg. Measure ID Regulatory Measure Type Region WDID Status Program Order No. RM Effective Date RM Termination Date Relationship Relationship Start Date Relationship End Date Amended?
Total Regulatory Measures: 0
  
  
  
  
Expand/Contract Violations
Violations within the past year
Violation ID Occurrence Date Violation Type Violation Description(+) Violation Status Priority Source Facility Name Violated Reg. Meas. ID Violated Reg. Meas. Order No. Linked to Enf.
Report defaults to display violations within the last year. Click here to see last five years of violations. Refer to the Interactive Violation Report for more data.
Total Violations: 0
*Click the "(+/-) Violation Description" link to expand and contract the violation description.
  
  
  
  
Expand/Contract Enforcement Actions
Enforcement Actions
Enforcement ID Enforcement Type Enf. Order No. Title Program Effective Date Status
Total Enforcement Actions: 0
  
  
  
  
Expand/Contract Enforcement Actions
Regulatory Measures linked to Related Parties
Reg. Measure ID Organization Regulatory Measure Type Program Effective Date Status
162271 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
164815 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
167195 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
168835 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
170685 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
170825 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
173404 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
310521 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC None Historical
321676 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 09/20/2005 Historical
363430 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 05/28/2009 Historical
364040 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 07/22/2009 Historical
374730 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 09/02/2010 Historical
374971 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 12/05/2008 Historical
374974 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 11/04/2008 Historical
375657 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 10/26/2010 Historical
379528 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 06/30/2011 Historical
379992 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 09/29/2011 Historical
380835 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 02/19/2009 Historical
381039 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 09/29/2011 Historical
381474 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 12/13/2011 Historical
389746 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 02/19/2009 Historical
397724 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 10/21/2014 Historical
415782 USDI Bureau of Reclamation Yuma 401 Certification CERDREDGE 10/10/2017 Historical
416585 USDI Bureau of Reclamation Yuma 401 Certification CERFILLEXC 10/30/2017 Historical
436347 USDI Bureau of Reclamation Yuma 401 Certification CERDREDGE 04/27/2020 Active
Total Regulatory Measures linked to Related Parties: 25
  
  
The current report was generated with data as of: 11/19/2025
Regional Boards are in the process of entering backlogged data.
As a result, data may be incomplete.
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